<template>
    <div>
        <h1 v-red="'greenyellow'">我是App</h1>
        <button @click="log1">点击</button>
        <h1>{{ count | add$ }}</h1>
    </div>
</template>

<script>
export default {
    name: "App",
    data() {
        return {
            count: 10,
        };
    },
    methods: {
        log1() {
            console.log(this.$bus);
        },
    },
};
</script>

<style></style>
